Search a number
-
+
50250505000061 is a prime number
BaseRepresentation
bin10110110110011110110111…
…00000000001010001111101
320120220220100002111210010002
423123033123200001101331
523041301013240000221
6254512432512524045
713404323233661222
oct1333173340012175
9216826302453102
1050250505000061
1115014135054363
125776a74550625
1322067aa2c7a72
14c5a1cd113949
155c21e6e7d80b
hex2db3db80147d

50250505000061 has 2 divisors, whose sum is σ = 50250505000062. Its totient is φ = 50250505000060.

The previous prime is 50250505000027. The next prime is 50250505000117. The reversal of 50250505000061 is 16000050505205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50174640560836 + 75864439225 = 7083406^2 + 275435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50250505000061 is a prime.

It is a super-2 number, since 2×502505050000612 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50250504999988 and 50250505000033.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50250505000361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25125252500030 + 25125252500031.

It is an arithmetic number, because the mean of its divisors is an integer number (25125252500031).

Almost surely, 250250505000061 is an apocalyptic number.

It is an amenable number.

50250505000061 is a deficient number, since it is larger than the sum of its proper divisors (1).

50250505000061 is an equidigital number, since it uses as much as digits as its factorization.

50250505000061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 50250505000061 its reverse (16000050505205), we get a palindrome (66250555505266).

The spelling of 50250505000061 in words is "fifty trillion, two hundred fifty billion, five hundred five million, sixty-one", and thus it is an aban number.